431240422325623 has 4 divisors (see below), whose sum is σ = 431240520478120. Its totient is φ = 431240324173128.

The previous prime is 431240422325597. The next prime is 431240422325701. The reversal of 431240422325623 is 326523224042134.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 431240422325623 - 2²⁹ = 431239885454711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 431240422325623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431240422328623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42161088 + ... + 51381301.

It is an arithmetic number, because the mean of its divisors is an integer number (107810130119530).

Almost surely, 2^{431240422325623} is an apocalyptic number.

431240422325623 is a deficient number, since it is larger than the sum of its proper divisors (98152497).

431240422325623 is an equidigital number, since it uses as much as digits as its factorization.

431240422325623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98152496.

The product of its (nonzero) digits is 1658880, while the sum is 43.

Adding to 431240422325623 its reverse (326523224042134), we get a palindrome (757763646367757).

The spelling of 431240422325623 in words is "four hundred thirty-one trillion, two hundred forty billion, four hundred twenty-two million, three hundred twenty-five thousand, six hundred twenty-three".